William Redfern Watt was born 1 April 1813 in Belfast, Northern Ireland, United Kingdom to James Watt (1769-1848) and Margaret Redfern (c1790-) and died 17 September 1894 Waverley, New South Wales, Australia of unspecified causes. He married Mary Grant (1817-1888) 1837 in New South Wales, Australia.
|Offspring of William Redfern Watt and Mary Grant (1817-1888)|
|Jane Redfern Watt (1837-1917)||30 November 1837 Parramatta, New South Wales, Australia||6 December 1917 Petersham, New South Wales, Australia||William Philip Mylecharane (1830-1917)|
|Victor Holton Watt (1840-1930)||14 June 1840 Cowra, New South Wales, Australia||25 January 1930 Cowra, New South Wales, Australia||Martha Matilda Crook (1844-1914)|
|Mary Redfern Watt (1842-1907)|
|Eugene Grant Watt (1844-1913)|
|William Redfern Watt (1847-1929)|
|Hugh Wentworth Watt (1854-1929)|